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Rear end howl/whine at 60mph....WTF to do????

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Chiloquin_Car_Care, Mar 6, 2019.

?

drive with the howl/whine?

  1. hell no....thats annoying

    5 vote(s)
    26.3%
  2. hell no....thats dangerous

    6 vote(s)
    31.6%
  3. who cares....jjust turn up the tunes & drive

    8 vote(s)
    42.1%
  1. Mar 13, 2019 at 11:17 AM
    #41
    cfcarpenter

    cfcarpenter Well-Known Member

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    Be very careful doing that. Shit can go south real fast.
     
  2. Mar 13, 2019 at 11:23 AM
    #42
    US Marine

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    But was the pinion nut loose as in finger tight ?????? , this is what I wanted you to check !!!
     
  3. Mar 13, 2019 at 11:38 AM
    #43
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    the actual nut seems tight...there is a pinched dimple on the nut & it seems intact (the nut is seated where the receiving dimple is on the pinion spline)
     
  4. Mar 13, 2019 at 11:39 AM
    #44
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    feel ya
    I think Im going to try the 'remove the rear driveshaft, put it in 4h, & test' method first
    seems like a safer route

    I really dont want to kill myself figuring this out HA
     
  5. Mar 13, 2019 at 2:09 PM
    #45
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    So, pulled the rear driveshaft & went for a spin FWD style in TACO....weird shit boys n girls (felt like I was driving my rav4!)
    but the test did prove my howl is from the rear end, as the howl at 60mph was gone in 4HI (with rear driveshaft removed)
     
  6. Mar 13, 2019 at 2:11 PM
    #46
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    I did this & the howl went away
    but now Im wondering if it could be the driveshaft itself?

    do bad driveshafts howl?
     
  7. Mar 13, 2019 at 2:16 PM
    #47
    US Marine

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    02 Pre Runner supercharged 4cyl
    TRD supercharger , Doug Thorley header , K&N CAI 265/75-16 Toyo open country mud terrain , 15x8 Method Racing wheels , Rancho 3" lift , 4.88 gears , Detroit Locker

    No driveshafts don't howl !!!

    The reason the rear axle isn't making noise Is because there's now no torque load on the pinion gear
     
  8. Mar 13, 2019 at 2:16 PM
    #48
    BillsSR5

    BillsSR5 Well-Known Member

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  9. Mar 13, 2019 at 2:20 PM
    #49
    US Marine

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    Lift the rear axle off the ground and with the d/shaft disconnected . With a mechanics stethoscope or with a a long screwdriver place them near the pinion and have someone turn the tires

    You should hear a groaning sound if the preload is gone or a bad bearing
     
  10. Mar 13, 2019 at 2:23 PM
    #50
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    nice....so I am pretty sure I have this nailed down, finally
    thanks for all you help US MARINE!
    I owe you a cold one or two
     
    US Marine likes this.
  11. Mar 13, 2019 at 2:26 PM
    #51
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    next big question.....
    get the OEM toyota 3rd member ($2100, but I have wholesale discount at toyota so I get it for $1600 with free shipping)
    or get an ECGS rebuilt one for $725+ $50 shipping????

    $1600 vs $800?
    OEM vs ECGS rebuilt?
    what to do? what to do?
     
  12. Mar 13, 2019 at 2:45 PM
    #52
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    trying this now
     
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  13. Mar 13, 2019 at 2:46 PM
    #53
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    can you expand upon 'gear oil'?
     
  14. Mar 13, 2019 at 2:51 PM
    #54
    BillsSR5

    BillsSR5 Well-Known Member

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  15. Mar 13, 2019 at 3:24 PM
    #55
    US Marine

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    TRD supercharger , Doug Thorley header , K&N CAI 265/75-16 Toyo open country mud terrain , 15x8 Method Racing wheels , Rancho 3" lift , 4.88 gears , Detroit Locker
    Any updates ??
     
  16. Mar 13, 2019 at 3:34 PM
    #56
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    yes I found some strange noises coming from the diff with the last test you suggested

    I am assuming there should be no noise coming from a properly functioning diff?
     
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  17. Mar 13, 2019 at 3:35 PM
    #57
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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  18. Mar 13, 2019 at 3:41 PM
    #58
    US Marine

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    TRD supercharger , Doug Thorley header , K&N CAI 265/75-16 Toyo open country mud terrain , 15x8 Method Racing wheels , Rancho 3" lift , 4.88 gears , Detroit Locker

    Yes you shouldn't be able to hear noises !!!!

    Where was the noise located ??
     
  19. Mar 13, 2019 at 3:48 PM
    #59
    Chiloquin_Car_Care

    Chiloquin_Car_Care [OP] 100mph 'til 100 years old

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    from the 3rd member
     
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  20. Mar 13, 2019 at 3:52 PM
    #60
    US Marine

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    TRD supercharger , Doug Thorley header , K&N CAI 265/75-16 Toyo open country mud terrain , 15x8 Method Racing wheels , Rancho 3" lift , 4.88 gears , Detroit Locker
    Another test you can perform is checking with a laser temp gun !! . Aim the temp gun at the pinion bearing and at the carrier bearing location and the axle bearing location

    If notice a significant temp increase that's your area of concern

    This test is to be performed with d/shaft connected and take the truck for a short drive then test those areas with the temp gun
     

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